In a vertical navigation bar, you will need to set the element's display setting to ____, which will allow you to create clickable buttons of any width.

Use the _______ method of class OpenFileDialog to show a dialog that allows the user to select a file to be opened.

a) OpenFile b) ChooseFile c) ShowDialog d) OpenFileDialog

The simplest form of multiple encryption has __________ encryption stages and __________ keys.

A. four, two B. two, three C. two, two D. three, two